Bourns provides a recommended PCB layout and land pattern in their application notes. It's essential to follow these guidelines to ensure proper thermal management, minimize parasitic inductance, and optimize performance.
To minimize electromagnetic interference (EMI), keep the inductor at least 5 mm away from sensitive components. You can also use shielding techniques, such as copper tape or mu-metal shielding, to contain the magnetic field.
While the datasheet specifies a maximum rated voltage, it's essential to consider the voltage stress during transient events, such as inrush current or voltage spikes. As a general rule, keep the voltage stress below 1.5 times the rated voltage to ensure reliability.
The CD1408-R11000 is rated for operation up to 125°C. However, it's crucial to consider the derating curves and thermal management strategies to ensure reliable operation in high-temperature environments.
To select the correct inductor value, consider the operating frequency, current requirements, and desired inductance value. You can use online calculators or consult with a Bourns application engineer to determine the optimal inductor value for your specific application.
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